Commodore Vic 20 PET Keyboard US first serie, Made in Japan
Photo 1: Esocop
Home computer, 1981, Commodore. Early US VIC-20 of the first series, made in Japan, recognisable by the PET-style keyboard with the blocky typeface used on the first-year machines (1980 to 1981), before the keyboard shared with the early Commodore 64 was adopted.
| Years | 1980 to 1981 (first series) |
|---|---|
| Manufacturer | Commodore Business Machines, made in Japan |
| Processor | MOS Technology 6502 at 1.02 MHz |
| RAM | 5 KB (3.5 KB available to BASIC), expandable to 32 KB |
| ROM | 20 KB (BASIC 2.0 and KERNAL) |
| Graphics and sound | VIC chip 6560, 22 x 23 text, 176 x 184 pixels, 16 colours, 3 voices plus noise |
| Storage | Datasette 1530, 1540 floppy disk drive |
| Ports | control port, expansion port, serial bus, user port, cassette port, RF and audio/video output |
| Operating system | Commodore BASIC 2.0 |
| Distinguishing features | PET-style keyboard, "Made in Japan" label, early two-prong power supply connector |
Documentation
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